Explain the EPON Header.

1.	Explain the EPON Header.
Answer» Standard Ethernet starts with an essentially content-free 8B preamble − 7B of alternating ones and zeros 10101010 1B of SFD 10101011 In order to hide the new PON header, EPON overwrites some of the preamble bytes.

Answer»

Standard Ethernet starts with an essentially content-free 8B preamble −

In order to hide the new PON header, EPON overwrites some of the preamble bytes.

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